diff --git a/src/_pytest/_py/path.py b/src/_pytest/_py/path.py
index fb64830f8..73a070d19 100644
--- a/src/_pytest/_py/path.py
+++ b/src/_pytest/_py/path.py
@@ -953,7 +953,7 @@ class LocalPath:
         else:
             p.dirpath()._ensuredirs()
             if not p.check(file=1):
-                p.open("w").close()
+                p.open("wb").close()
             return p
 
     @overload